HER157G A0G

Series:	--
Packaging:	Tape & Box (TB)
Part Status:	Active
Diode Type:	Standard
Voltage - DC Reverse (Vr) (Max):	800V
Current - Average Rectified (Io):	1.5A
Voltage - Forward (Vf) (Max) @ If:	1V @ 1.5A
Speed:	Fast Recovery = 200mA (Io)
Reverse Recovery Time (trr):	75ns
Current - Reverse Leakage @ Vr:	5µA @ 800V
Capacitance @ Vr, F:	20pF @ 4V, 1MHz
Mounting Type:	Through Hole
Package / Case:	DO-204AC, DO-15, Axial
Supplier Device Package:	DO-204AC (DO-15)
Operating Temperature - Junction:	-55°C ~ 150°C

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IntroductionHER157G A0G is a single rectifier diode designed and manufactured by Hitachi. It is used in a wide array of applications and is one of the most popular diodes on the market. In this article we will be discussing the application field and working principle of HER157G A0G.Application FieldsHER157G A0G is a widely used diode for various applications. It is popular for rectification and power switching applications, as well as for low-noise, high-bandwidth signal switching applications. Its low-leakage design makes it suitable for the above applications, while its enhanced reverse voltage durability provides superior reliability. HER157G A0G is widely used in automotive and industrial power, applications such as solar cell controllers, battery chargers, and other related functions. Its low thermal resistance makes it suitable for use in high-temperature applications. It is also widely used in radio communications, as it allows improved performance when used as an antenna radiation detector. Furthermore, its low-quiescent (idle) current makes it suitable for battery-operated devices, such as digital cameras and notebooks.Working PrincipleHER157G A0G is a single-diode rectifier, which uses a PN junction to allow the flow of electrical current in one direction only. A diode is formed by joining two differently doped semi-conductors together. Diodes are available in a variety of sizes and materials, depending on their intended use. HER157G A0G is designed to allow the current to flow through it only when the voltage reaches a certain value. When the voltage is higher than the threshold voltage, the diode is known as forward-biased, allowing the current to flow. Conversely, when the voltage is lower than the threshold voltage, the diode is known as reverse-biased, not allowing the current to flow. The forward bias voltage of the diode depends on the type of material used and the size of the diode. Typically, the forward bias voltage of HER157G A0G is around 0.7V. This means that the current will only flow through the diode when the voltage applied to it is greater than 0.7V.Conclusion To conclude, HER157G A0G is a widely used single-diode rectifier with a variety of applications. It is popular in automotive and industrial power applications due to its low thermal resistance and improved performance in radio communication applications. Additionally, its low forward bias voltage of 0.7V makes it suitable for battery-operated devices. In all, HER157G A0G is a versatile, reliable, and popular diode for a variety of applications.

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